CH6: The Human Body

all critical life functions are coordinated in which part of the brain?

a. gray matter

b. cerebellum

c. cerebrum

d, brainstem

brainstem

as the bronchus divides into smaller bronchioles, the terminal ends of these smaller passages form the:

a. bronchi

b. capillaries

c. alveoli

d. pleura

alveoli

dead space is the portion of the respiratory system that:
a. contains no alveoli and does not participate in gas exchange

b. receives oxygen but is unable to release carbon dioxide

c. includes the alveoli and capillaries surrounding the alveoli

d. must be filled with air before gas exchange can take place

contains no alveoli and does not participate in gas exchange

key hormones of the sympathetic nervous system include:

a. norepinephrine and acetylcholine

b. acetylcholine and insulin

c. glucagon and noradrenaline

d. epinephrine and norepinephrine

epinephrine and norepinephrine

oxygen and carbon dioxide pass across the alveolar membrane in the lungs through a process called:

a. ventilation

b. diffusion

c. osmosis

d. breathing

diffusion

skeletal muscle is also called:

a. involuntary muscle

b. voluntary muscle

c. autonomic muscle

d. smooth muscle

voluntary muscle

the axial skeleton is composed of the:

a. bones that constitute the pelvic girdle

b. lower part of the torso and the legs

c. skull, face, thorax, and vertebral column

d. arms, legs, and pelvis

skull, face, thorax, and vertebral column

the carpal bones form the:

a. foot

b. hand

c. ankle

d. wrist

wrist

the central nervous system is composed of the:

a. brain and spinal cord

b. motor and sensory nerves

c. spinal and sensory nerves

d. brain and sensory nerves

brain and spinal cord

the elbow is an example of a ____ joint

a. gliding

b. ball and socket

c. saddle

d. hinge

hinge

the electrical impulse of the heart normally begins at the:

a. Purkinje fibers

b. bundle of His

c. sinoatrial node

d. atrioventricular node

sinoatrial node

the exchange of oxygen and nutrients for waste products of metabolism occurs at the cellular level in the:

a. arteries

b. capillaries

c. arterioles

d. venules

capillaries

the left side of the heart receives oxygenated blood from the lungs through the:

a. pulmonary veins

b. superior venae cavae

c. inferior venae cavae

d. pulmonary arteries

pulmonary veins

the most distal four spinal vertebrae, which are fused together, form the:

a. ilium

b. ischium

c. sacrum

d. coccyx

coccyx

the muscle tissue of the heart is called the:

a. pericardium

b. endocardium

c. epicardium

d. myocardium

myocardium

the nose, chin, umbilicus (navel), and spine are examples of the ____ anatomic structures:

a. proximal

b. superior

c. midline

d. maxillary

midline

which of the following glands regulates the function of all other endocrine glands in the body?

a. adrenal

b. thyroid

c. pituitary

d. parathyroid

pituitary

which of the following is not a facial bone?

a. mastoid

b. maxilla

c. mandible

d. zygome

mastoid

which of the following organs or structures lies within the retroperitoneal space?

a. gallbladder

b. ascending aorta

c. kidneys

d. spleen

kidneys

white blood cells, which are also called leukocytes, function by:

a. carrying oxygen and other nutrients

b. producing blood-clotting factors

c. protecting the body from infection

d. producing the body’s erythrocytes

protecting the body from infections