Trivium Flashcards
Which of the following layers of the wall of the heart contains cardiac muscle?
A) Myocardium only
B) Epicardium only
C) Endocardium only
D) Myocardium and epicardium
A) Myocardium only
The topmost layer of bone is called the ___.
Periosteum
The shaft of a bone is called the ___.
Diaphysis
The ends of a bone are called the ___.
Epiphysis
There are only 2 sesamoid bones; they are ___ and ___.
Patella and pisiform bone
The only bone not attached to another bone in the body is the ___.
Hyoid
___ joints feature a small gap filled with fluid for lubrication.
Synovial
___ joints permit little to no movement.
Fibrous
___ joints hold two bones together and allow more movement than fibrous, but less than synovial.
Cartilaginous
Which of the following types of muscle is found in blood vessels?
A) cardiac
B) visceral
C) type I
D) type II
B) visceral
Which layer of the stomach contains blood vessels and nerves?
A) mucosa
B) submucosa
C) serosa
D) cardia
B) submucosa
Which of the following types of cells coordinates both cell-mediated and antibody-mediated responses?
A) helper T cells
B) memory cells
C) B cells
D) phagocytes
A) helper T cells
In a certain plant, having the dominant allele R results in red seeds and the recessive allele r results in pink seeds. A scientist crosses an RR with an rr plant. The F1 plant is crossed with itself, resulting in an F2. What percentage of F2 plants have red seeds?
A) 25%
B) 50%
C) 75%
D) 100%
C) 75%
Which of the following statements describes the expression of x-linked traits?
A) X-linked traits are expressed more often in men
B) X-linked traits are expressed more often in women
C) X-linked traits are expressed equally in men and women
D) X-linked traits are expressed only in men who carry the dominant allele
A) X-linked traits are expressed more often in men
Which of the following is NOT a way that meiosis increases genetic variation?
A) Creating haploid sex cells that will be randomly fertilized
B) Allowing for the exchange of genetic material between chromosomes
C) Increasing the probability of mutations in the nucleotide sequence of DNA
D) Sorting each set of homologous chromosomes independently
C) Increasing the probability of mutations in the nucleotide sequence of DNA
Which of the following bonds is the most polar?
A) H-C
B) H-O
C) H-F
D) H-N
C) H-F
F is more electronegative than C, O, or N, so it will pull the shared electrons the most.
Which of the following elements is most likely to form an ionic bond?
A) argon
B) calcium
C) copper
D) nitrogen
B) calcium
Calcium is an alkaline earth metal that easily forms a 2+ cation which forms an ionic bond with an anion.
Which of the following describes a physical change?
A) Water becomes ice
B) Batter is baked into a cake
C) A firecracker explodes
D) An acid is neutralized with a base
A) Water becomes ice
When water changes states, its chemical composition does not change.
At the ___ point, all three phases of matter exist together; at the ___ point, the substance enters the plasma phase.
Triple; Critical
___ is a phase change from a gas to a solid.
Deposition
___ is a phase change from a solid to a gas.
Sublimation
List strong acids
HCl- Hydrochloric HNO3- Nitric H2SO4- Sulfuric HClO4- Perchloric HBr- Hydrobromic HI- Hydroiodic
List strong bases
LiOH- Lithium Hydroxide NaOH- Sodium Hydroxide KOH- Potassium Hydroxide Ca(OH)2- Calcium Hydroxide Ba(OH)2- Barium Hydroxide Sr(OH)2- Strontium Hydroxide
