Chromosomes are composed of genes, which are composed of DNA. Abnormalities are either numerical or structural in nature. Which abnormalities are structural? Select all that apply
a. Part of a chromosome is missing.
b. The material within a chromosome is rearranged.
c. One or more sets of chromosomes are added.
d. Entire single chromosome is added.
e. Two chromosomes adhere to each other.
A, B, E
Feedback
Correct It is critical to remember that characteristics of structural abnormalities
include part of a chromosome missing or added, rearrangement of material
within chromosomes, two chromosomes that adhered to each other, and
fragility of a specific site on the X chromosome.
Incorrect The addition of a single chromosome (trisomy), the deletion of a single
chromosome (monosomy), and one or more added sets of chromosomes
(polyploidy) are numerical abnormalities.
You might also like to view...
The nurse manager is facilitating change to a new documentation system in the unit. If the manager wants to use the most common method to overcome resistance to the change, which strategy would be chosen?
1. The manager distributes a handout explaining the new system and how to use it. 2. The manager creates a "quick tip" sheet about how to use the system and schedules practice sessions for each nurse. 3. The manager identifies a key supporter of the change and has that nurse act as mentor to the remaining staff. 4. The manager threatens to transfer anyone who resists the change.
What would be indicative of dysfunctional grieving in an 80-year-old man?
a. Despair after 3 months b. Guilt and self-doubt after 4 months c. A sense of disorganization after 6 months d. A sense of depression and despair after 1 year
On the basis of predictions from the Global Burden of Disease Study, mental health professionals should be most concerned with increasing primary prevention efforts for:
a. alcohol abuse. b. schizophrenia. c. bipolar disorder. d. major depressive disorder.
A client was admitted to the medical unit after emergency treatment of hypertensive crisis. To which staff member should the charge nurse delegate or assign measurement of this client’s vital signs?
1. A patient care technician
2. A nursing assistant
3. An LPN
4. An RN