ANAPHY - PRELIM Flashcards by Toni Mae Inductivo

Which of the following is the synapse
between a somatic motor neuron and a
skeletal muscle fiber?

Neuromuscular Junction (NMJ)

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What organelle digests worn-out organelles and extracellular materials?

Lysosome

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In describing the special properties of muscular tissues, contractility refers to:

The ability to generate tension to do work

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The () is a type of body fluid that is found between cells in tissues.

Interstitial Fluid

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An organelle is

A cellular structure with a specific function.

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Type of muscle contraction where there is constant tension, but the muscle fiber length shortens?

Concentric Contraction

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Which of the following is not considered to be a flat bone?

Vertebrates

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Skin aging may be attributed to which of the following?

Loss of elasticity of the skin

Loss of fat in the dermis

Decrease in the number of collagen bundles

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This substance gives bone tissue its distinct hardness.

Hydroxyapatite

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The following are true of parathyroid hormone, EXCEPT:

Produced in the thyroid gland

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The following are the functions of the skeletal system, EXCEPT:

Production of Calcitonin

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When someone tells you to lie on your stomach, this special movement is

Pronation

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Muscle Contraction occurs because cross-bridges attach to and “walk” along the thin filaments at both ends of a sarcomere, what happens to the sarcomere in this situation?

It expands

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What muscle type has a shape that is elongated with blunt ends?

Skeletal Muscle

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It is the structural unit of compact bone.

Osteon

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Production of gametes occurs through:

Mitosis

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Which of the following is the skeletal muscle fiber’s contractile unit?

Myofibril

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During childhood, long bones grow wider due to:

Osteoblast activity at bone surface

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These cells participate in normalizing Ca levels in the body by releasing calcium stores in the skeletal system.

Osteoclasts

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Level of study under Human Structural Biology involving easily observable large structures is () Anatomy.

Gross

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What step in protein synthesis means to copy into a complementary sequence of codons in a strand of RNA?

Transcription

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Anatomy is the study of () and Physiology is the study of ()

Structure, function

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What is the thickest layer of the epidermis?

Stratum Spinosum

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Which of the following muscles is named after its shape?

Procerus

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Which of the following is true regarding skeletal muscles?

The greater the length of muscle fibers, the wider the range of motion

Estrogen has the following effects on the growing skeleton EXCEPT:

Increase in the height of the pelvis compared to males

Elongation of long bones during childhood takes place at the:

Metaphysis

What layer of the epidermis contains keratohyalin granules?

Stratum Granulosum

Which of the following best describes a muscle?

The muscle constitutes 40-50% of total body weight.

The main parts of a cell are the:

Nucleus, Cytoplasm, and Cell Membrane

The following are structures that make up the Peripheral Nervous System.

Spinal Cord

Melanin against UV light is what function of the skin?

Protection

Vasodilatation of superficial blood vessels on the cheeks is an example of what function of the skin.

Thermoregulation

This color is due to the oxygen-carrying pigment of red blood cells.

Hemoglobin

It attaches bone to bone.

Ligament

Why is ATP important?

ATP is our body’s energy transferring source.

The normal adult human skeleton has how many bones?

206

What is the sum of all the chemical processes that occur in the body?

Metabolism

Skeletal muscles may attach to bone or to other muscles, which of the following attachments is ropelike in shape?

Tendon

Which one of the following descriptions does not define a body in anatomical position?

Palms turned backward

Which of the following is the skeletal muscle fiber’s specialized endoplasmic reticulum?

Sarcoplasmic reticulum

Which of the following is the thin contractile protein?

Actin

What layer of the epidermis is NOT found in thin skin?

Stratum Lucidum

Which of the following is the major cell of skeletal muscles?

Skeletal muscle fiber

Calcium is needed for the proper functioning of the following, EXCEPT:

Nervous System Heart Contraction Blood clotting

Which of the following is NOT a short bone?

Hyoid

Which of the following is the skeletal muscle fiber’s cytoplasm?

Sarcoplasm

Which of the following is NOT TRUE?

Osteoclast: maintains bone matrix

Which of the following best describes a skeletal muscle?

This muscle is striated and voluntary

Which of the following is the skeletal muscle fiber’s plasma membrane?

Sarcolemma

The parietal bones form via intramembranous ossification. This means that during development the following structures are present, EXCEPT:

Hyaline template

Sebaceous gland secretion provides the following benefit/s:

Inhibits bacterial growth Skin becomes soft Prevents dryness

Which organ system is involved in allowing locomotion and maintaining posture?

Muscular

It is the visible portion of a nail.

Nail Body

Which of the following muscles has 3 bellies?

Triceps brachii

A membrane that lines the medullary cavity.

Endosteum

In reference to its attachment to the shoulder, the elbow is () to the wrist.

Proximal

The tough connective tissue containing osteoprogenitor cells found in the outer surface of bones is called the:

Periosteum

Severe infection of bones commonly caused by S.Aureus

Osteomyelitis

This is a term ensuring that the body’s internal environment remains constant despite changes inside and outside the body.

Homeostasis

This is the layer where appendages like hair follicles are found.

Reticular dermis

The beginning of the formation of the cleave furrow is observed in what stage of mitosis?

Anaphase

What layer of the epidermis is the source of new cells and shows plenty of mitotic figures?

Stratum Basale

Tissue type has seen lining surfaces and body cavities.

Epithelial

The lungs are located in which cavity of the body?

Thoracic

The following are found in trabeculae, EXCEPT:

None of the above Lamellae Water Lacunae

Why is the nucleus so important in the life of a cell?

It directs most cellular activities.

What layer of the epidermis displays mostly dead and dying keratinocytes?

Stratum Corneum

What event in the somatic cell division describes the cell as not dividing and just replicating DNA?

Interphase

What membrane modification found at the apical surfaces of cells function for movement?

Cilia

In describing the special properties of muscular tissues, extensibility refers to:

The ability to be stretched beyond original length

How many false ribs attach directly to the thoracic spine?

The action of this/these muscle type/sis/are involuntary.

Cardiac and smooth

Vitamin C is needed for strong bones. This statement is

True. Vitamin C is essential for collagen synthesis, which in turn gives bones its tensile strength

When the cross-bridge generates force as it rotates toward the center of the sarcomere, you call this the:

Power stroke

Muscle cells having multiple and peripherally located nuclei.

Skeletal

What fundamental tissue type is the liver?

Epithelial

Which of the following best describes a cardiac muscle?

This muscle tissue is striated and involuntary

Hair is heavily distributed in the following EXCEPT

SOLES

Adipose tissue is classified as what fundamental tissue type?

Connective

Selective permeability is the

Ability of the plasma membrane to control passage of certain materials into and out of the cell

In Endochondral ossification, what major process takes place in the diaphysis but not the epiphysis?

Formation of Medullary Cavity

Intercalated discs are found in this muscle type/s

Cardiac

Which of the following is a long bone?

Distal phalanx, 2nd toe, left

What is the movement that forms an acute angle between approximating body parts?

Flexion

What are non-striated muscles?

Smooth

In describing the special properties of muscular tissues, electrical excitability refers to:

The property of responding to stimuli by producing action potentials

It is the movement from a higher to a lower water molecule concentration across a selectively permeable membrane.

Osmosis

Which of the following is the thick contractile protein?

Myosin

What parenchyma of connective tissue produces collagen and elastic fibers?

Fibroblasts

Skeletal muscles may attach to bone or to other muscles, which of the following is wide and flat?

Aponeurosis

Microscopically, spongy bone is composed of tree trunk shaped repeating units called:

None of the Above Medullary System Osteons Haversian System

The forehead is () to the nose

Superior

In describing properties of muscular tissues, elasticity refers to

The ability to return to original shape after contraction or extension.

Which is NOT a function of the nucleus?

Produce most of the cell’s ATP

What shape of cells is described as taller than they are wide?

Columnar

Which of the following best describes a smooth muscle?

This muscle is nonstriated and involuntary

These cells are capable of cell division and mature into bone-forming cells

Osteoprogenitor cells

Two or more atoms joined together are defined as

Molecule

ANAPHY - PRELIM Flashcards

(99 cards)