AP lab1

A distance of 10 cm is equivalent to

100 millimeters.

The length of a person's upper limb is approximately ________ of the height of the person.

40%

Which of the following statements best describes a hypothesis?

A tentative explanation of a problem that is testable

What special qualities, due to the presence of fibers, does the connective tissue of the dermis have?

Abundant collagen fibers gives the dermis qualities of elasticity and strength.

Which of the following is NOT a feature of epithelia?

Abundant extracellular material

Conclusions are based on which of the following in a scientific investigation?

Analysis of data

Identify the tissue that contains smooth muscle.

Blood vessels

Which of the following characteristics is common to oligodendrocytes and Schwann cells?

Both provide myelination.

Which muscle tissue is branched and contains intercalated discs?

Cardiac

How would the genetic inheritance of a gene producing abnormal gap junctions effect muscle tissue?

Cardiac muscle and some smooth muscle would function abnormally. Skeletal muscle would be unaffected.

The hypothesis is generated from the results of the experiment.

False

When converting metric measurements to English measurements, 1 meter = 3.3 yards.

False

Which of the following is not a unit of the metric system of measurement?

Inches

Which of the following stained cellular structures is the most visible with the compound light microscope?

Nucleus

Which of the following represents the correct sequence of the scientific method?

Observations, hypothesis, experiment, analysis of data, conclusions

Which objective lens provides the least total magnification?

Scanning

An epithelium with a single layer of tall cells would be classified as which type of epithelium?

Simple columnar epithelium

Which type of muscle tissue is found in the walls of hollow organs?

Smooth muscle

What would be the consequence if the phospholipid heads (highlighted and indicated by leader lines in figure) suddenly became nonpolar?

The lipid bilayer would not be able to hold its shape in water and the cell membrane would disassemble.

A centimeter represents an example of a metric unit of length.

True

A frontal plane divides the body into anterior and posterior parts.

True

When preparing a wet mount specimen for viewing, it should be covered with __________.

a coverslip

The epigastric region is a portion of the __________ cavity.

abdominal

The __________ causes the stage to move upward or downward.

adjustment knob

The hypodermis is composed of __________ tissues.

areolar and adipose connective

Apocrine sweat glands are located in the __________ regions of the body.

axillary and genital

Which of the following parts of a neuron receives and processes information?

cell body

A meter is equivalent to 100

centimeters.

The most likely scientific unit for measuring height of a person would be

centimeters.

Loosely coiled fine strands containing protein and DNA are called

chromatin

The two distinct skin layers are the

epidermis and dermis

Perimysium covers a muscle fascicle.

false

The total magnification achieved using a 10x objective lens with a 10x eyepiece lens is 20x.

false

When creating a microscope slide to view a wet sample, you should drop the coverslip __________.

from a 45-degree angle to prevent air bubbles

when creating a microscope slide to view a wet sample, you should drop the coverslip

from a 45-degree angle to prevent air bubbles

Which of the following organs lacks smooth muscle?

heart

The variable that can be changed and is determined before the experiment starts is the

independent variable.

The __________ increases or decreases the light intensity of the compound light microscope.

iris diaphragm

Basic lens cleaning is accomplished using

lens paper.

Which of the following is not a function of the integumentary system?

movement

The outer boundary of the nucleus is the

nuclear envelope

What is the first step of the scientific method?

observation

In the posterior view, the cubital region is __________ to the carpal region.

proximal

The abdominopelvic cavity can be subdivided into

quadrants.

The objective lenses of the compound light microscope are attached to the

rotating nosepiece.

The ____________ plane divides the body into left and right sides.

sagittal

This type of epithelial tissue is found in kidney tubules, thyroid gland, liver, and ducts of the salivary glands.

simple cuboidal

This type of epithelial tissue is found in the alveoli of the lungs and inner linings of the heart and blood vessels.

simple squamous

Which muscle tissue is multinucleated?

skeletal

Which muscle tissue is under conscious control?

skeletal

Muscles of facial expression are ________.

skeletal muscles

Which muscle tissue lacks striations?

smooth

To explain biological phenomena, scientists use a technique called

the scientific method.

To explain scientific biological phenomena, scientists use a technique called

the scientific method.

A hypothesis, verified continuously from experiments by many investigators, can become known as a

theory.

This type of epithelial tissue is found lining the urinary bladder, ureters, and part of the urethra.

transitional

the ______ plane divides the body into superior and inferior parts

transverse

A graduated cylinder would be an appropriate instrument used to measure a liquid.

true

A stereomicroscope is a good option to use for viewing rather large, opaque specimens.

true

One function of muscle tissue is to provide heat production.

true

When cleaning the lenses of a microscope, it is important to use lens paper or a high-quality cotton swab.

true

The unit of measure used for liquids and gases is

volume.

The human eye cannot perceive objects less than

0.1 millimeter.

Which of the following cellular structures is located in the cytoplasm?

Ribosome

What portion of the nail plate is not visible on the body surface when using a hand magnifier?

nail root

The brachial surface region pertains to the wrist.

False

Frequent cell division occurs in the __________ of the epidermis.

stratum basale

The __________ layer of the epidermis is only present in thick skin.

stratum lucidum

Which of the following cells have multiple processes extending from the soma?

neurons

Which of the following conduct action potentials?

neurons

The larynx is part of the __________ system.

respiratory