Chapter 5 - Human Body

Question 1

\_\_\_\_\_\_\_\_\_\_\_ pressure is the pressure exerted by a liquid and occurs when blood is moved through the artery at relatively high pressures.
Select one:
A. Arterial
B. Oncotic
C. Osmotic
D. Hydrostatic

Answer 1

D. Hydrostatic

Question 2

Activities such as walking, talking, and writing are regulated exclusively by the:
Select one:
A. involuntary nervous system.
B. autonomic nervous system.
C. central nervous system.
D. somatic nervous system.

Answer 2

D. somatic nervous system.

Question 3

Relative to the kidneys, the liver is:
Select one:
A. dorsal.
B. posterior.
C. unilateral.
D. medial.

Answer 3

C. unilateral.

Question 4

The \_\_\_\_\_\_\_\_\_\_\_ plane separates the body into left and right halves.
Select one:
A. midsagittal
B. coronal
C. sagittal
D. transverse

Answer 4

A. midsagittal

Question 5

The backup system of respiratory control, which is based on low concentrations of oxygen in the blood, is called the:
Select one:
A. oxyhemoglobin drive. 
B. hypoxic drive.
C. pneumotaxic drive.
D. hypocarbic drive.

Answer 5

B. hypoxic drive.

Question 6

The connecting nerve, a nerve of the peripheral nervous system, functions by:
Select one:
A. connecting sensory nerves directly to the posterior cerebral cortex.
B. connecting the spinal cord directly to the target muscle or organ.
C. connecting motor nerves directly to the walls of the blood vessels.
D. connecting the sensory and motor nerves and bypassing the brain.

Answer 6

D. connecting the sensory and motor nerves and bypassing the brain.

Question 7

The distal aspect of the tibia forms the:
Select one:
A. lateral malleolus.
B. lateral condyle.
C. medial malleolus.
D. Achilles tendon.

Answer 7

C. medial malleolus.

Question 8

The part of the brain that controls the left side of the body is the:
Select one:
A. right side of the cerebrum.
B. right temporal lobe. 
C. left side of the cerebrum.
D. left parietal lobe.

Answer 8

A. right side of the cerebrum.

Question 9

The phase of the cardiac cycle in which the muscle of the ventricle relaxes and the ventricle fills with blood is called:
Select one:
A. stroke volume.
B. diastole.
C. systole.
D. cardiac output.

Answer 9

B. diastole.

Question 10

Which of the following arteries does NOT carry highly oxygenated blood?
Select one:
A. aorta
B. femoral
C. pulmonary
D. renal

Answer 10

C. pulmonary

Question 11

Which of the following organs or structures lies within the retroperitoneal space?
Select one:
A. gallbladder 
B. spleen
C. kidneys
D. abdominal aorta

Answer 11

C. kidneys

Question 12

Which of the following statements regarding nervous system control of the cardiovascular system is correct?
Select one:
A. When stimulated, the parasympathetic nervous system is responsible for increasing the heart rate.
B. The sympathetic and parasympathetic nervous systems have the same effect on the cardiovascular system.
C. Baroreceptors located throughout the body provide information to the brain regarding blood pressure.
D. Alpha-adrenergic receptors are located exclusively in the heart and are stimulated by epinephrine.

Answer 12

C. Baroreceptors located throughout the body provide information to the brain regarding blood pressure.

Question 13

Your ability to remain awake is a function of the:
Select one:
A. reticular activating system.
B. limbic system. 
C. pons and medulla.
D. cerebellum.

Answer 13

A. reticular activating system.