A&P 1 Lab Practical 3

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The smallest contractile unit within skeletal muscle would correspond to the distance between which two points in the figure?

1 and 7

Receptors within the highlighted structure provide the sense of ___.

Hearing

Which muscle is highlighted?

Inferior rectus

Which structure is highlighted?

Lateral rectus muscle

Which structure is highlighted?

Lens

What structural classification describes this neuron?

Multipolar

Which lobe is highlighted?

Occipital

Which structure is highlighted?

Optic chiasm

Which structure is highlighted?

Organ of Corti

Which structure is highlighted?

Pineal gland

Which structure is highlighted?

Pons

What is the designation of the area at D?

Primary visual cortex

Which structure is highlighted?

Retina

Which neuroglial cell type forms the myelin sheath in the peripheral nervous system?

Schwann cell

Which structure is highlighted?

Sclera

Which structure is highlighted?

Superior oblique muscle

Which structure is highlighted?

Superior rectus muscle

What structure is highlighted?

Temporal Lobe

Identify the function of (2) in this image.

They conduct sound waves and amplify the vibrations within the middle ear.

Which structure is highlighted?

Tympanic membrane

What is an action of the highlighted muscle?

abduction of arm at shoulder

What is NOT the function of the highlighted structure?

allowing a certain amount of light to enter the eye

Which structure is highlighted?

auricle

What structure is highlighted?

axon hillock

The highlighted structure consists of a bundle of ________.

axons

Which structures are highlighted?

axons

Which structure is highlighted?

basilar membrane

Which structure is highlighted?

cell body

The highlighted lobe plays important roles in all of the following except ___.

conscious awareness of taste stimuli

The highlighted structure plays the major role in ___.

controlling the shape of the lens

What is a function of the highlighted structure?

controls motor functions

What is a primary function of the highlighted structure?

coordination of movement

Which structure is highlighted?

cornea

Which structure is highlighted?

corpus callosum

What structure is highlighted?

diencephalon

What event directly triggers the release of neurotransmitter shown in A?

diffusion of Ca2+ into the axon terminal

What is the action of the highlighted structure?

elevates eye and turns it laterally

Which tissue is highlighted?

endoneurium

Which structure is highlighted?

hair (stereocili)

Which structure is highlighted?

incus

What structures are highlighted?

intercalated discs

What structure is highlighted?

longitudinal fissure

Which structure is highlighted?

melleus

Which structures are highlighted?

myelin sheaths

Which structures are highlighted?

myelinated nerve fiber

Which cell type is highlighted?

neuroglial cell

What structures are highlighted?

nuclei

What structure is highlighted?

olfactory tract

What structure is highlighted?

parieto-occipital sulcus

Which structure is highlighted?

perimysium

Which structure is highlighted?

pharyngotympanic tube

What structure is highlighted?

pineal gland

What is a function of the highlighted structures?

processing of recognition memory

What is the type of reflex represented by the pathway that includes A, D, and C?

reciprocal inhibition

Which of the following is synthesized in the highlighted structure?

ribosomal RNA

Which neuroglial cell type surrounds the cell bodies of neurons in the peripheral nervous system?

satellite cell

Which cells are highlighted?

satellite cells

Which structure is highlighted?

semicircular canals

What structures are highlighted?

striations

Which of the following regions best identifies where myosin would have maximum cross-bridge access to actin?

the region between 2 and 3

Which structure is highlighted?

tympanic membrane

Which structure is highlighted?

vestibular membrane

Destruction of which of the neuroglial cell types leads to the disease multiple scleroses (MS)?

A

When focusing on nearby objects, the highlighted structure ___.

Becomes rounder

Identify the type of neuronal cell that detects bright light and provides high-resolution color vision.

C

Which letter indicates structures involved in detection of BOTH hearing and equilibrium?

C

What structure is highlighted?

Cerebellum

Which structure is highlighted?

Cerebellum

The highlighted muscle acts on which structure of the face?

Cheek

Which structure is highlighted?

Ciliary body


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