Question 1

A patient presents with loss of voluntary muscle movement after a spinal cord injury. Which spinal tract is most likely affected?

Accepted Answer

Corticospinal tract

Question 2

During a neurological exam, a patient is unable to feel pain in their left arm, but can still move it. Which pathway is most likely damaged?

Accepted Answer

Ascending sensory pathway

Question 3

Which structure connects the third and fourth ventricles, and what is a clinical consequence of its blockage?

Accepted Answer

Cerebral aqueduct; hydrocephalus

Question 4

A patient with cerebellar damage exhibits ataxia and cannot perform the finger-to-nose test smoothly. Which function of the cerebellum is most directly impaired?

Accepted Answer

Coordination and 'fine-tuning' of movement

Question 5

Which hormone is released by the posterior pituitary and is responsible for water reabsorption in the kidneys?

Accepted Answer

Antidiuretic hormone (ADH)

Question 6

A patient with low albumin levels is at risk for which clinical condition, and why?

Accepted Answer

Edema, because albumin maintains osmotic pressure

Question 7

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

Accepted Answer

CN VII (Facial)

Question 8

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

Accepted Answer

Perception

Question 9

Which blood type can donate to all other types, and why?

Accepted Answer

Type O, because it lacks A and B antigens

Question 10

A patient is experiencing tachycardia, dilated pupils, and dry mouth during a panic attack. Which nervous system is primarily responsible for these symptoms?

Accepted Answer

Sympathetic nervous system

Question 11

Which plasma protein is essential for blood clot formation, and what is the consequence of its deficiency?

Accepted Answer

Fibrinogen; uncontrolled bleeding

Question 12

A patient with damage to the hypothalamus may experience which of the following symptoms?

Accepted Answer

Disrupted temperature regulation and appetite

Question 13

Which equation best represents the relationship between plasma, formed elements, and whole blood volume?

Accepted Answer

$$V_{whole\ blood} = V_{plasma} + V_{formed\ elements}$$

Question 14

A patient with Addison's disease is most likely to have a deficiency in which hormone, and what is a key symptom?

Accepted Answer

Cortisol; weakness and low BP

Question 15

Which sensory receptor detects changes in blood pressure, and what is a relevant nursing assessment?

Accepted Answer

Baroreceptor; check urinary retention or BP reflexes

Question 16

A patient with a head injury is unable to swallow safely and has difficulty eating. Which area of the brain is most likely affected?

Accepted Answer

Brainstem

Question 17

Which hormone is produced by the pineal gland and regulates sleep-wake cycles?

Accepted Answer

Melatonin

Question 18

A patient with a stroke affecting the occipital lobe may present with which clinical sign, and what is the nursing priority?

Accepted Answer

Visual field deficits; assess pupil response and visual tracking

Question 19

Which equation describes the effect of ADH on urine output?

Accepted Answer

$$ADH \uparrow \Rightarrow Urine\ Output \downarrow$$

Question 20

A patient with hypothyroidism is most likely to present with which symptoms?

Accepted Answer

Fatigue, cold intolerance, bradycardia

Anatomy exam/quiz3

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