Study Guide for Exam 3

Chapter 10

Know definitions/functions of:

Mechanoreceptors

Chemoreceptors

Nociceptors

Thermoreceptors

Photoreceptors

Ineroceptors

Exteroceptors

Proprioceptors

Cutaneous receptors

Capsaisin receptors

What is sensory adaptation and which type of receptors display this property?

What is:

Lateral inhibition

Referred pain

Two-point discrimination

Know the types of papillae on the tongue

Know the cranial nerves involved with gestation

What is the function of:

Vestibular apparatus

Cochlea

Semicircular canals

Cupula

Utricle

Saccule

Malleus

Incus

Stapes

Oval window

Round window

What is the neurological pathway for hearing?

What causes conduction deafness? Sensorineural deafness?

What is the function of the ciliary body in the eye?

How does sympathetic/parasympathetic stimulation affect the pupil?

Definitions/functions:

Myopia

Presbiopia

Emmetropia

Hyperopia

Astigmatism

Fovea centralis

Aqueous humor

Vitreous humor

Canal of Schlemm

Refraction

Accommodation

Optic disc/blind spot

Photoreceptors

Bipolar cells

Ganglion cells

Retinal

Rods

Cones

What wavelengths/ colors do they absorb?

Chapter 11

If a hormone can pass through the plasma membrane, what is it considered to be?

What is a prehormone?

What is a prohormone?

Know the different effects hormones can have on their targets:

Permissive

Antagonistic

Synergistic

What is downregulation and what would cause it?

What is upregulation and what would cause it?

Where do we find receptor proteins for:

Thyroid hormones

Steroid hormones

Peptide hormones

Hormones to be familiar with:

ADH

oxytocin

ACTH

CRH

TSH

Aldosterone

PTH

Calcitonin

What is the role of the pancreas (endocrine)?

What is the role of the pineal gland?

What is the role of the hypothalamus?

Chapter 12

Know muscle actions (table 12.1)

Know the coverings of the muscle

1.

2.

3.

Review the parts of the sarcomere (bands/zones, etc) and know what happens when the muscle contracts.

Know the steps in the sliding filament theory (muscle contraction)

What is the motor unit?

What is the motor end plate?

What neurotransmitter is released at the neuromuscular junction?

What ion is required for muscle contraction?

What is ATP’s role in skeletal muscle contraction?

Know the following:

Treppe

Tetnus

Isotonic contraction

Isometric contraction

Concentric contraction

Eccentric contraction

Fast twitch fibers

Slow twitch fibers

Which are high/low-oxidative?

Which are high/low glycolytic?

How does endurance or strength training improve muscle performance?

What happens to muscle doe to aging?

How do cardiac muscles contract?

How do smooth muscles contract?

Review table 12.7 and 12.8