Question 1

Which layer of tissue within the nasal cavity contains olfactory receptor cells responsible for detecting odorants?

Accepted Answer

Olfactory epithelium

Question 2

A patient presents with loss of taste sensation specifically on the tip of their tongue. Which type of papillae is most likely affected?

Accepted Answer

Fungiform papillae

Question 3

Which neurotransmitter is released from taste bud cells when sodium ions enter during the salty taste pathway?

Accepted Answer

Serotonin

Question 4

Astigmatism is primarily caused by which structural abnormality in the eye?

Accepted Answer

Irregular curvature of the cornea

Question 5

Which muscle contracts to constrict the pupil during exposure to bright light?

Accepted Answer

Circular muscle

Question 6

In the retina, which type of photoreceptor is responsible for detecting wavelengths close to blue?

Accepted Answer

Blue cones

Question 7

Which region of the ear is designed to transfer sound wave vibrations to more specialized ear structures?

Accepted Answer

Middle ear

Question 8

What is the specific receptor in the ear that allows for the detection of both hearing and equilibrium?

Accepted Answer

Hair cell

Question 9

Which fluid circulates through the cochlear duct and is essential for the function of the Organ of Corti?

Accepted Answer

Endolymph

Question 10

A patient has difficulty detecting head rotation. Which structure in the inner ear is most likely impaired?

Accepted Answer

Semicircular canals

Question 11

Which type of autonomic motor neuron must work together with a secondary neuron before a stimulus can be delivered to the effector organ?

Accepted Answer

Pre-ganglionic autonomic neuron

Question 12

Which division of the autonomic nervous system is responsible for increasing heart rate and dilating the pupils during a 'fight or flight' response?

Accepted Answer

Sympathetic division

Question 13

Which ganglia of the sympathetic division release neurotransmitters directly into the bloodstream?

Accepted Answer

Adrenal medulla

Question 14

What neurotransmitter is released by preganglionic neurons in both the sympathetic and parasympathetic divisions?

Accepted Answer

Acetylcholine

Question 15

Which cranial nerve provides roughly 75 percent of all parasympathetic outflow?

Accepted Answer

Vagus nerve (X)

Question 16

Which organ receives instructions from both the sympathetic and parasympathetic nervous systems?

Accepted Answer

Heart

Question 17

A patient is unable to focus on near objects due to a malfunction in the ciliary muscle. Which process is most directly affected?

Accepted Answer

Accommodation

Question 18

Which equation best represents the relationship between wavelength ($$\lambda$$), frequency ($$f$$), and the speed of light ($$c) in $$the context of visible light detection?

Accepted Answer

$$c = \lambda 	imes f$$

Question 19

During sympathetic activation, which neurotransmitter is released by postganglionic neurons at most effector organs?

Accepted Answer

Norepinephrine

Question 20

Which type of receptor is embedded in the tissues of a target organ and is activated by acetylcholine in the parasympathetic division?

Accepted Answer

Muscarinic receptor

Exam 3 Review: Special Senses and Autonomic Nervous System

Guida di studio - Domande di pratica

Study guide - Flashcard