134

Vital Signs

CHAPTER^24

PRACTICING FOR NCLEX

MULTIPLE CHOICE QUESTIONS

Circle the letter that corresponds to the best

answer for each question.

1.Which of the following is the primary source

of heat in the human body?

a.Metabolism

b.Hormones

c.Sympathetic neurotransmitters

d.Hypothalamus

2.Which of the following is the primary mecha-

nism or site of heat loss?

a.Contraction of pilomotor muscles of the

skin

b.Warming and humidifying of inspired air

c.Skin surface

d.Urine and feces

3.What would be the cardiac output of an adult

with a stroke volume of 75 mL and a pulse of

78 beats/minute?

a.5,000 mL

b.5,550 mL

c.5,850 mL

d.6,000 mL

4.Which of the following conditions occurs

when an adult has a pulse rate of 100 to

180 beats/minute?

a.Bradycardia

b.Arrhythmia

c.Pulse amplitude

d.Tachycardia

5.Which of the following statements concerning

respiratory rates is accurate?

a.Infants and young children have a lower

respiratory rate than adults.

b.Healthy adults breathe about 12 to 20 times

per minute.

c.The respiratory rate decreases in response

to the increased metabolic rate during

pyrexia.

d.An increase in intracranial pressures stimu-

lates the respiratory center and increases

the respiration rate.

6.Which of the following statistics regarding

blood pressure is accurate?

a.Blood pressure tends to be lower in a prone

or supine position than in a seated or

standing position.

b.Men usually have a lower blood pressure

than women of the same age.

c.Blood pressure decreases after eating.

d.Blood pressure is usually highest on arising

in the morning.

7.The average normal temperature in degrees

Fahrenheit for well adults in the rectal site is

which of the following?

a.94.0

b.97.6

c.98.6

d.99.5

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