Neuroscience EXAM 1– USA (Latest 2026/2027 Update) Questions and Verified Answers| 100% Correct| Grade A

Neuroscience EXAM 1– USA (Latest 2026/2027 Update) Questions and Verified Answers| 100% Correct| Grade A

Neuroscience EXAM 1– USA (Latest 2026/

2026 Update) Questions and Verified

Answers| 100% Correct| Grade A

Q: function of brainstem

Answer:

basic bodily functions necessary for survival (e.g. HR, BP, RR)

Q: cephalic flexure

Answer:

divides brain and brainstem

Q: cervical flexure

Answer:

divides brainstem from spinal cord

Q: defects during migration stage of development

Answer:

dyslexia, lissencephaly (smooth brain)

Q: growth of brain due to:

Answer:

myelination, pathways/communication between axons and dendrites, vascularization

Q: Development of cranial nerves:

CN Development - 14 weeks

Answer:

1st. swallow and gag

CN V, VII, IX, X, XII

Q: Development of cranial nerves:

CN Development - 25 weeks

Answer:

2nd. Visual motor system

CN II, III, IV, VI

Q: Development of cranial nerves:

CN Development - 28 weeks

Answer:

Hearing

CN VIII

Q: Development of cranial nerves:

CN Development - 31-21 weeks

Answer:

Olfaction

CN I

Q: CSF produced by this structure

Answer:

choroid plexus: vascular tufts within ventricles

Q: CSF is within what space?

Answer:

Subarachnoid

Q: CSF circulation:

Answer:

1. Choroid plexus

2. lateral ventricle

3. intraventricular foramen

4. 3rd ventricle

5. cerebral aquaduct

6. 4th ventricle

7. foramen of magendi

Q: meninges

Answer:

membranous protective layers covering CNS;

PAD (inside-->out): pia mater, arachnoid mater, dura mater

Q: Falx cerebri (dura)

Answer:

thick layer that dips b/t cerebral hemispheres b/t longitudinal fissure that prevents brain

movement within skull

Q: orientation above midbrain:

Answer:

anterior=rostral

posterior=caudal

superior=dorsal

inferior=ventral

Q: orientation at midbrain and below:

Answer:

(rotate clockwise from above midbrain)

anterior=ventral

posterior=dorsal

superior=rostral

inferior=caudal

Q: orientation changes when:

Answer:

midbrain bends at diencephalon junction

Q: midbrain is ? to pons

Answer:

rostral

Q: thalamus is ? to frontal lobe

Answer:

caudal

Q: cingulate gyrus is ? to septum pellucidum

Answer:

dorsal