Q: Which equation best represents the calculation of hematocrit ($$Hct) in $$blood analysis?

$$Hct = \frac{\text{Volume of RBCs}}{\text{Total Blood Volume}} \times 100$$

Question 1

A patient presents with loss of pain and temperature sensation on one side of the body after a spinal cord injury. Which major sensory tract is most likely affected?

Accepted Answer

Lateral spinothalamic tract

Question 2

Which neuron level is responsible for a patient becoming consciously aware of a touch stimulus?

Accepted Answer

Third-order neuron

Question 3

A nurse is assessing a patient who cannot perform smooth, practiced movements after a cerebellar stroke. Which function of the cerebellum is most directly impaired?

Accepted Answer

Coordination and 'fine-tuning' of movement

Question 4

During a fight-or-flight response, which hormone is released from the adrenal medulla to prolong the effects of sympathetic activation?

Accepted Answer

Epinephrine

Question 5

A patient with hypothalamic dysfunction may present with which of the following symptoms?

Accepted Answer

Impaired autonomic functions such as temperature regulation and BP

Question 6

Which cranial nerve is responsible for taste sensation in the anterior two-thirds of the tongue?

Accepted Answer

CN VII (Facial)

Question 7

A patient with a stroke affecting the parietal cortex cannot localize a touch but can feel it. Which process is impaired?

Accepted Answer

Perception

Question 8

Which plasma protein is most important for maintaining osmotic pressure and preventing edema?

Accepted Answer

Albumin

Question 9

A patient with low platelet count is at risk for which clinical complication?

Accepted Answer

Uncontrolled bleeding

Question 10

Which hormone, produced by the posterior pituitary, increases water reabsorption in the kidneys?

Accepted Answer

ADH (Antidiuretic Hormone)

Question 11

A patient with hyperthyroidism is likely to present with which set of symptoms?

Accepted Answer

Heat intolerance, weight loss, anxiety

Question 12

Which of the following best describes the function of baroreceptors?

Accepted Answer

Monitor internal pressure changes, such as blood pressure

Question 13

A patient with a spinal cord injury at the sympathetic chain ganglia is most likely to experience which clinical effect?

Accepted Answer

Autonomic dysfunction, such as unstable blood pressure

Question 14

Which blood type is considered the universal donor for transfusions?

Accepted Answer

Type O

Question 15

A patient is unable to swallow safely after a stroke. Which area of the brain is most likely affected?

Accepted Answer

Frontal cortex (motor patterns for swallowing)

Question 16

Which equation best represents the calculation of hematocrit ($$Hct) in $$blood analysis?

Accepted Answer

$$Hct = \frac{	ext{Volume of RBCs}}{	ext{Total Blood Volume}} 	imes 100$$

Question 17

A patient with damage to the infundibulum may have impaired communication between which two structures?

Accepted Answer

Hypothalamus and pituitary gland

Question 18

Which hormone imbalance is most likely to cause symptoms of excessive thirst, frequent urination, and dehydration?

Accepted Answer

Low ADH (antidiuretic hormone)

Question 19

A patient with a cerebellar lesion is most likely to fail which clinical test?

Accepted Answer

Finger-to-nose test

Question 20

Which of the following is a correct sequence for the ascending sensory pathway from the body to the cerebral cortex?

Accepted Answer

Spinal cord → thalamus → cerebral cortex

Spinal Tracts, Brain Development, Autonomic Nervous System, Sensation, Blood, and Endocrine System: Mini-Textbook Study Notes

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