HESI A&P Section

What is the function of endocrine glands?

They secrete hormones directly into the blood.

A patient who is on a plant-based diet complains that their skin is appearing to take on a yellowish color. Which of the following foods would you expect the patient to have eaten a large amount of?

Carrots

Which of the following is a byproduct of anaerobic respiration that can lead to muscular fatigue, muscle cramps, muscle pain, or a burning sensation in the muscles?

Lactic Acid

Which of the following is not a bone of the lower extremities?

Ulna

Which of the following types of cancer would present warning signs that are identified using the ABCDE method?

Melanoma

Which of the following muscles is located towards the outer side of the leg?

Vastus lateralis

Which organelle is responsible for regulating the transport of substances in and out of the cell?

Cell Membrane

What is the purpose of gastric mucous?

To protect the stomach lining from acid and digestive enzymes.

Where does digestion begin in the alimentary canal?

Oral Cavity

What is erythropoiesis and where does it occur?

The formation of red blood cells; Red bone marrow

The internal reproductive organs are located in which of the following anatomical regions?

Pelvic

What does the presence of antidiuretic hormone stimulate?

Water reabsorption from the urinary filtrate

Which bones form via intramembranous ossification?

The flat bones of the skull, the mandible, and clavicles

Which of the following male reproductive organs is also a part of the urinary system?

Urethra

Which of the following best describes the anatomical position?

Standing upright, facing the observer, upper extremities at the body's sides, feet flat and directed forward, and the palms facing anteriorly

A sprain occurs when which of the following structures is stretched or torn?

Ligament

Which of the following organelles would you expect to find an abundance of in leukocytes?

Lysosomes

The carpals articulate with the distal ends of which two bones?

Radius and Ulna

A patient with a lower than normal amount of thrombocytes could be at risk of ____________.

Extensive bleeding

Which of the following is defined as “a group of similar cells and their intercellular matrix that carry out a specific function together?”

Tissues

Where is the popliteal artery located?

Behind the knee

Which of the following occurs when the sympathetic nervous system is stimulated?

Heart rate increases, pupils dilate, digestion slows down

The shoulder is an example of which type of synovial joint?

Ball and socket

Which of the following lists the correct pathway of blood through the circulatory system?

Right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, lungs, pulmonary vein, left atrium, mitral valve, left ventricle, aortic valve, aorta, body tissues, vena cava, right atrium

Which of the following glands secrete earwax?

Ceruminous

What is the function of the sebaceous glands?

To secrete oil that lubricates the skin and prevents drying.

Which organ is responsible for most of the nutrient absorption in the body?

Small intestine

In which of the following reproductive structures does the fertilization of an ovum occur?

Fallopian Tube

Which of the following structures is part of the upper respiratory system?

Pharynx

Which type of tissue is most widely distributed throughout the body?

Connective Tissue

Which plane divides the body into left and right sides?

Sagittal

Which of the following is a molecule carrying genetic instructions for the development, functioning, growth, and reproduction for all organisms?

DNA

Which of the following statements about the endocrine system is false?

The hypothalamus is commonly known as the "master gland."

Which part of the brain is involved in processing auditory information?

Temporal Lobe

Where is the tibialis anterior located?

The front of the lower extremities

Which of the following is located in the thoracic cavity?

The mediastinum

Which of the four chambers of the heart has the thickest muscular wall?

Left Ventricle

Which important minerals are stored within the skeletal system?

Calcium and Phosphorus

A patient complains of decreased sensation in the distal part of their arm and an inability to adduct and abduct their fingers. Based on these symptoms, which nerve is most likely compromised?

Ulnar

Urine travels from the kidney to the urinary bladder through which structure?

Ureter

How does serotonin affect the body?

It helps to regulate mood, anxiety, sleep, memory, and appetite.

Which of the following muscles pulls a body part away from the midline of the body?

Abductors

Letter B

Left Atrium

The malleus, incus, and stapes are bones found in the _________.

Ear

A patient complaining of pain in their sternum reveals that they were recently in a mild car accident. Which of the following structures may have been injured in the accident?

Xiphoid process

The elbow is what type of joint?

Hinge

Which of the following best describes the primary function of hemoglobin?

Carries oxygen to tissues and organs

Which of the following options correctly lists the layers of the epidermis from the most superficial to the deepest layer?

Stratum corneum, stratum lucidum, stratum granulosum, stratum germinativum

Which of the following best describes the function of the mitral valve?

Lets blood flow from the left atrium to the left ventricle

Which type of connection do ligaments create?

Bone to Bone

The pulse point located on the neck is palpated over which artery? 

Carotid

Which of the following describes cellular respiration?

It is an oxidative catabolic activity

A patient reveals to you that they were recently involved in a car accident that they believe resulted in a deviated septum. Which of the following bones may have been injured in the accident, resulting in the deviated septum?

Vomer

The respiratory system is composed of organs that facilitate gas exchange between the blood and the external environment. Which of the following describes the group of organs that function during gas exchange?

Organ System

Which of the following organelles is responsible for digesting damaged cellular structures, as well as macromolecules and bacteria ingested by the cell?

Lysosomes

Which of the following causes bone matrix resorption in response to a decrease of calcium levels in the blood?

Osteoclasts

Which of the following cell organelles is correctly paired with its function?

Ribosome/ Protein synthesis

Which of the following anatomical terms is correctly matched with its meaning?

cranial/skull

T-lymphocytes are developed by which of the following glands?

Thymus

Which blood vessel returns blood from the lungs back to the heart?

Pulmonary vein

White blood cells contain many _________ because they need to dispose of harmful intruders such as bacteria and viruses. Which of the following options correctly completes the statement above?

lysosomes

Which organelle is responsible for storing DNA?

Nucleus

Cerumen is secreted by apocrine glands located in which of the following structures?

External Auditory Canal

Which part of the eye allows us to see color?

Retina

Mitosis occurs in which layer of the skin?

Stratum germinativum

What, in addition to adenosine triphosphate, must be present for a muscle to contract?

Calcium

In what area of the body would you expect to find especially thick stratum corneum?

Heel on foot

Which of the following describes the distal region of the humerus?

The epiphysis that articulates with the radius and ulna

Which of the following organ systems is correctly paired with its function?

Endocrine/ regulation of homeostasis through hormone signaling

Eccrine glands secrete a watery substance onto the surface of the skin to maintain temperature homeostasis through which process?

Evaporation

Which of the following types of tissues functions in the covering, lining, and protection of surfaces and body cavities?

Epithelial tissue

Which of the following could result from a damaged olfactory nerve?

Reduced sense of smell

Which of the following is the name of the imaginary vertical plane that equally divides the body into left and right?

Median

What is secreted by the adrenal glands?

Cortisol and aldosterone

Which of the types of tissue is responsible for providing the matrix that supports and connects other tissues of the body?

Connective Tissue

The pharynx is a conduit for air and food. It is divided into three segments which contain lymphoid structures that play significant roles in protection and defense. Which segment of the pharynx contains the pharyngeal tonsils?

Nasopharynx

A tissue sample studied under a microscope exhibits the following characteristics: an extracellular matrix providing rigidity to the tissue, and the presence of lacunae. Which type of tissue is this?

Bone

The anterior lobe of pituitary glands is called which of the following?

Adenohypophysis

If the femoral artery was cut, which of the following blood vessels would not receive blood as a result?

Popliteal artery

Which structure lies between the thoracic and abdominal cavities?

Diaphragm

In which part of the body would you find aqueous humor?

Between lens and cornea of eye

Which of the following is the correct sequence of transport of filtrate from the nephrons to the renal pelvis?

Proximal Convoluted Tubule – Loop of Henle – Distal Convoluted Tubule – Collecting Duct – Minor Calyx – Major Calyx – Renal Pelvis

Which of the following structures functions in directing sound waves into the ear?

Auricle

Which of the following features of veins results in the venous system operating at lower pressures than the arterial side?

Veins have thinner, more compliant vessel walls than arteries.

Listening to music stimulates which of the following organs?

Cochlea

The hormone __________ assists estrogen in stimulating the formation of the endometrium.

Progesterone

What is one of the functions of the hypothalamus?

Regulating Body Temperature

The diaphragm is _________ to the lungs.

Inferior

What form of tissue provides support and structure for the organs?

Connective

Which of the following terms describes the process of forming new red blood cells?

Erythropoiesis

The components found in blood that carry out blood clotting are:

Thrombocytes

Which of the following about the hyoid bone is correct?

It is the only bone that does not articulate with any other bone.

Which structure in the epidermis is responsible for cooling the body to maintain temperature homeostasis?

Eccrine glands

Which blood vessel delivers blood directly into the right atrium?

Vena Cava

Which of the following makes up the largest component of whole blood?

Plasma

Which of the following salivary glands primarily contributes to the production and secretion of saliva?

Submandibular glands

What is the outermost layer of the epidermis?

Stratum corneum

Which system coordinates and regulates processes within the body through the use of hormones?

Endocrine Glands

Which of the following gets absorbed directly into the blood?

Amino Acids

Which glands release an oily secretion through the hair follicles that lubricates the skin and prevents drying?

Sebaceous glands