BIO 2170 special senses chemistry and ANS

Static equilibrium is done by which structure?

• semicircular canals

• vestibule

• cochlea

• eustachian tube

Clouding of the lens is found in what condition?

• diabetic retiopathy

• night blindness

• glaucoma

• cataract

The color part of the eye where the pupil expands into is which of the following?

• ciliary body

• choroid

• cornea

• iris

A patient can see near and needs driving classes. This patient has which of the following?

• cataracts

• near sighted

• far sighted

• astigmatism

What does a Snellen's chart result of 20/40 indicate?

• what the average person can read at 20 feet, the patient can read at 40 feet.

• what the average person can read at 40 feet, the patient can read at 20 feet.

• what the average person can read at 20 feet, the patient can read at 60 feet.

• what the average person can read at 40 feet, the patient can read at 800 feet.

The test for equilibrium where the patient stands with the eyes closed looking for hand drift is known as which of the following?

• Weber's

• Rinne's

• Romberg's

• auditory adaptation

Which of the following is not involved in creating motion sickness?

• cerebellum

• inner ear

• vision

• smell

Is a lowered blood pressure a result of parasympathetic or sympathetic nervous system?

• parasympathetic

• sympathetic

Tags

NGSS.HS-LS1-3

What structure is labeled #21?

• semicircular canals

• vestibule

• cochlea

• vestibulocochlear nerve

An unpaired electron in the valence shell is indicative of which of the following?

• free radical

• isotope

• ion

• covalence