Test #1 Flashcards
which body plane makes a horizontal cut, creating a superior and inferior portion?
Transverse
when you move in the cephalic direction, which direction are you going?
Toward the head
Which stage of the cell cycle includes microtubules separating daughter chromosomes
anaphase
Which of the following describes a connective tissue?
a. mucosal tissue on a body surface
b. muscle tissue
c. tissue composed of neurons and glial cells
d tendon tissue holding a muscle onto a bone
tendon tissue holding a muscle onto a bone
superior shoulder
deltoid
thumb
pollex
kneecap/anterior knee
patellar
ear
auricular
wrist
carpal
Name the true body cavity that contains the heart (this cavity does NOT also contain the lungs)
pericardial cavity
to get from the sternal region of the vertebral region, you go in which direction?
dorsal
which of the following organelles is responsible for destroying a phagocytosis pathogen that is now in a vesicle
lysosome
Name three functions of the cell’s plasma membrane
1- separates the inside and the outside of the cell
2- participates in endocytosis and exocytosis
3- anchors structural protiens
Which of the following is most likely to be a protien?
a. most common molecule in plasma membrane
b. molecule storing genetic information
c. Thyroid-stimulating hormone
C. Thyroid stimulating hormone
Name to the major layers of the skin
Epidermis and Dermis
What is mRNA?
RNA “photocopy” of DNA code for a protein
What is tRNA
Attached to a amino acid
What is rRNA
component of ribosomes
Which type of connective tissue fiber is designed to provide strength in one direction?
Collagen fiber
Which body plane makes a vertical cut down the middle of the body, creating equal left and right portions?
midsaggital
When fatty acids are broken down, they create hydrogen peroxide, a toxic byproduct that has to be neutralized by the cell. Which of the following organelles is responsible for breaking down fatty acids?
Peroxisome
Which organelle is responsible for modifying and packaging secretions and packaging vesicles within enzymes to create lysosomes? Hint: it acts like the cell’s post office.
Golgi apparatus
Name one direct effect of ultraviolet radiation on skin
With small amounts it creates vitamin D
When you move in a dorsal direction, which direction are you going?
toward the back
Name the cell’s major energy currency, made in the mitochondria.
ATP
Name the 12 body systems
Integumentary Respiratory skeletal muscular vascular Nervous endocrine lymphatic digestive Renal/urinary Reproductive male/female
which of the following has a pH closest to that of blood?
Water (7.0)
What is the pH of blood
7.35-7.45
The most common macromolecule found in the cell’s plasma membrane is
phospholipid
Your hair color and skin color come from two types of the pigment called
Melanin
The most apical layer of the epidermis is the
stratum corneum
What is microvilli?
small fingerlike projections to increase surface area of membrane for absorption
What is nucleus
stores genetic material
What is cilia
whip like extensions of cell that move material over cell surface
What is ribosome?
organelle that most directly participates in translation
what is rough endoplasmic reticulum
Site of synthesis and packaging of lysosomal protiens
What is smooth endoplasmic reticulum
site of synthesis of phospholipids and cholesterol
What is centriole
essential for movement of chromosomes during mitosis
name 4 functions of the skeletal system
1- blood cell production
2- storage of minerals and lipids
3- protection
4- support
which body cavity contains the lungs
pleural cavities
which of the following is a characteristic of a visceral organ?
found in a body cavity
found mainly in the trunk of the body
covered with membranes
what is the weakest chemical bond
hydrogen bond
what exclusively happens in the
s phase of the cell cycle
DNA replication
What pairs with adenine and is found only in DNA
Thymine
Which of the following is only performed by specialized immune cells such as macrophages?
a. endocytosis
b. pinocytosis
c. exocytosis
d. phagocytosis
Phagocytosis