test prep

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Chemical synapses are characterized by

the release of neurotransmitter by the presynaptic terminal.

negative feedback mechanism

the response of the effector revverses original stimullus

surface anatomy

the study of internal structures as they relate to the overlying skin surface

autonomic reflex utilizes

two motor neurons plus cardiac and smooth muscle and glands as effectors.

creatine phosphate

During resting conditions, _________ is synthesized to store energy.

helping atoms give up or receive electrons.

Hydrogen bonds are important for all of the following, except

chromatin

In the nucleus, DNA is wrapped with proteins this complex is called ...

bipolar

Neurons that have a single axon and a single dendrite are __________.

chemical

Potential energy stored in bonds of molecules is _____ energy.

inflammation symptoms

Redness, heat, and pain

Which of the following is mismatched?

Somatic nervous system - sensory division of PNS

stratum basale

The layer of epidermis that undergoes mitosis and forms new epidermal cells is the __________.

carbohydrates

The molecule used most frequently by cells as a fuel belongs to which of the following groups?

Cuticle

The outer surface of the hair is called the __________.

amino acids in a protein

The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of

Depolarization causes voltage gated sodium channels to open

Which of the following situations occurs in electrically excitable cells?

hypothalmus

Which part of the CNS integrates thoughts and emotions to produce ANS responses?

full thickness

Which type of burn involves damage to the epidermis, dermis, and subcutaneous tissue?

connective

Which type of tissue provides support and protection and fills spaces of the body

transfer

_____________ RNA has the function of bringing amino acids to the ribosome during translation.

denaturation

a change in the three-dimensional structure of a protein.

detection of heat and touch

he integumentary system has many functions, one of which is

parathyroid

hormone that increases osteoclast activity

Muscle hypertrophy

increase myofibrils and sarcomeres.

Muscle tone

is a constant tension produced by muscles for long periods of time.

appositional growth

new chondrocytes and new matrix are added on the outside of the tissue.

serous membrane

protection from friction in organs

Articular cartilage

provides a smooth surface where bones meet.

Skin color is the result of the

quantity of melanin in the skin

The integumentary system

regulates body temperature

A buffer will

resist drastic changes in the pH of the solutions

osteoclasts

responsible for reabsorption

ribosomes

site of protein synthesis

Monosaccharides

small carbohydrates

Histology

study of tissues

Syndesmosis

the bones are held together by ligaments called interosseous membranes.

intervertebral joint

An example of a symphysis is the __________.

terminal

At birth the hairs of the scalp, eyelids, and eyebrows are replaced by coarser pigmented hairs called __________ hairs.

flexion

Bowing the head is an example of __________.

The number of EPSPs in relation to the number of IPSPs

Suppose both excitatory and inhibitory neurons synapse with a single postsynaptic neuron. What determines if an action potential is initiated in the postsynaptic neuron?

presynaptic terminals

Synaptic vesicles contain neurotransmitters and are present in the __________.

lag phase of a muscle twitch

The action potential is propagated from presynaptic to postsynaptic membrane

diameter

When blood vessels become surrounded by concentric lamella forming osteons, the bone will grow in __________.

organ physiology

Which branch of physiology would study the effects of sunbathing on the skin?

longus capitis

Which of the following muscles does NOT extend the neck?

isometric contraction

a muscle produces an increasing tension as the length remains constant.

cholesterol

affect(s) the fluidity of the cell membrane by limiting the movement of phospholipids.

Keratinocytes

are responsible for the reduction of water loss from the skin.

ligaments attach

bone to bone

sural region

calf

Neurotransmitters

cause the production of action potentials in the postsynaptic membrane.

connective tissue

consists of cells with much extracellular material (matrix) between them.

coronal plane

divides body into front and back

ionic bonding

electrons are transferred from one atom to another.

insertion

end of a muscle where action occure

the shape of cells and number of cell layers.

epithelium is classified by

antecubital region

front of elbow

limbic system

is associated with basic survival instincts of nutrition, memory, and reproduction.

reticular formation

is composed of nuclei scattered throughout the brain stem.

the pH value

is determined by the concentration of H+ in a solution.

crural region

leg, from knee to ankle

sternum

manubrium, body, xiphoid process


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