Exam 1

Which kind of structure are found within a cell that performs specific functions are called?

A. Atoms

B. Organelles

C. Organs

D. Tissues

Which kind of structure are found within a cell that performs specific functions are called?

A. Atoms

B. Organelles

C. Organs

D. Tissues

B. Organelles

The ears are located __ to the nose

Lateral

Which of the following organs are located in the thoracic cavity?

Trachea

What is the mechanism which functions by responding to a change in the opposite direction of the deviation to return the body to homeostasis?

A. Positive Feedback

B. Negative feedback

B. Negative feedback

Blood clotting is an example of which of the following?

A. Positive feedback

B. Negative feedback

C. Homeostasis

A. Positive feedback

The parietal membrane ___ whereas the visceral membrane _.

Lines cavities, cover organs

Goblet cells would be required a high concentration in which of the following in order to package mucous and support it?

Golgi apparatus

Anatomy is the study of the _ of the human body while physiology is the study of what of the human body.

structure, function

which is not something living organelles/organisms need to survive?

reproduction

the inflammation of which of the following membranes would cause pain in the abdominopelvic cavity?

Peritoneum

the instructor asks you to dissect the brain in such a way that it results in 2 equal right and left portions. What cut section would you make?

Midsagittal

which of the following organ system does not directly aid in removal of waste in the human body?

endocrine

living organism has at least 5 factors that are required to maintain life. Which of the following would occur if the atmospheric pressure was to suddenly disappear?

Lose the ability to breathe

the atomic weight of an element whose atoms contains 10 protons, 10 electrons, and 9 neutron is?

19 (proton + neutron)

A solution that contains equal number of hydrogen and hydroxyl would have a pH of 7. What solution would it have?

Neutral

You’re testing a new solution for a perfume and you are wanting to develop and realize it releases hydrogen ions, what is the saying about the solution?

Acidic/acid

Organic substances are distinguished by molecules that are _ whereas inorganic substances are distinguished by molecules that are

organic contains carbon and inorganic does not contain carbon

oxygen is vital for the living body because it does which of the following?

Use and release energy from glucose during respiration

Palmitic acid is found in many animal products while A-Lenoic acid is found in nuts. Which lipids would be preferable and why?

A-lenoic acid because it is unsaturated

Which of the following is not part of a nucleotide structure?

Salt

Nitrogenous base

Phosphate

Pentose Sugar

Salt

Biomolecules of the human body relies heavily on which of these bonds to keep the molecules from degrading because they share electrons and are very stable?

Covalent

Which type of bond does a substance like table salt and sodium chloride have?

Ionic

Which organic molecules does the body use as its primary source of energy?

Carbohydrates

The fringe on the surface of certain cells which beats back and fourth in effort to move things around are called what

cilia

Which cell cycle phase has sister chromatids being pulled to the opposite side of the cell via the spindle apparatus?

Anaphase

The cell membrane regulates the entry and exit of all molecules because of which characteristic?

Selective permeability

When you drop oil into water it forms small spheres called something to reduce interaction of water..

Hydrophobic

Cells that have specialized development are considered blank cell

Differentiated

Which type of cell junction have tubular channels between cells that allow movement of molecules between them

gap junction

The sternal area is blank to the abdominal area?

Medial

The tissue from the bladder, uterus, urethra, also known as uroepithelium, is made up of which of the four main tissue types?

epithelium

The process by which larger molecules complex substances are broken down into smaller, simpler molecules is known as?

Catabolism

The subatomic particles __ or is the only subatomic particle found in the nucleus of an atom

Protons and neutrons

A gland that secrete substances by exocytosis mechanism is a blank gland

merocrine

the most common type of cell found in proper connective tissue is

fibroblasts

the specialized connective tissue that is found in the vertebrae of the spinal column is made up of what?

fibrocartilage

the extracellular matrix of which connective tissue is made up of minerals of salt and collagen and is most rigid of all connective tissue?

bone

the cells that make up cartilage connective tissues are called

chondrocytes

the main difference between endocrine and exocrine glands is that

endocrine secrete into the lumen and exocrine do not

what is responsible for lipid synthesis

smooth ER

Powerhouse of the cell

Mitochondria

what contains enzymes that digest proteins, carbohydrates, nucleic acids, bacteria, debris, worn-out particles?

lysosomes

what is responsible for linking amino acids in protein synthesis?

ribosomes

what contains ribosomes and conduct protein modification?

Rough ER

Name 2 organs that contribute to waste removal in the human body

urinary system and respiratory system

name specifically the membrane that covers the lung

visceral pleural

Name the step in preparing a histology slide that keeps the sample from decomposing

fixing